CN219549605U

CN219549605U - Sliding locking type ship stern shaft sealing structure

Info

Publication number: CN219549605U
Application number: CN202320612740.5U
Authority: CN
Inventors: 韩敏映
Original assignee: Taizhou Huitong Machinery Engineering Co ltd
Current assignee: Taizhou Huitong Machinery Engineering Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-18
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a sliding locking type ship stern shaft sealing structure, which relates to the technical field of stern shaft sealing and comprises a first sealing element, wherein one side of the first sealing element is provided with a sealing sheet; one side of the sealing piece, which is far away from the first sealing piece, is provided with a second sealing piece, and the first sealing piece, the sealing piece and the second sealing piece are fixedly connected through bolts; when the sealing device is used, the first sealing element and the second sealing element are made of rubber, so that the sealing capability is high, the influence of water is small, and the damage can not happen easily; the sealing structure has fewer parts, simple structure and convenient maintenance when damaged, and greatly reduces the working difficulty of maintenance personnel.

Description

Sliding locking type ship stern shaft sealing structure

Technical Field

The utility model relates to the technical field of ship stern shafts, in particular to a sliding locking type ship stern shaft sealing structure.

Background

The tail shaft is mounted on two bearings, one called tail bearing, i.e. the part of the ship body contacted with water, the other called front bearing is connected with the engine room, and a tail shaft cabin is arranged between the front bearing and the rear bearing and is basically airtight.

Chinese patent application number CN216589929 discloses a ship stern shaft sealing mechanism comprising: the fixed inner ring is used as a main component connected with a drive, a movable baffle is fixed on the inner wall of the fixed inner ring, a movable sub-plate is movably sleeved on the inner rear half area of the movable baffle, the inner wall of the movable baffle is attached to the outer surface of the movable sub-plate, a first protective shell is fixed on the outer surface of the fixed inner ring, a second protective shell is arranged on the right side of the first protective shell, a leakage preventing ring is arranged on the upper end surfaces of the first protective shell and the second protective shell, and the leakage preventing ring is closed with the first protective shell and the second protective shell.

The ship stern shaft needs to have excellent sealing performance, and for this purpose, a sealing device needs to be arranged on the stern shaft; the ship stern shaft sealing mechanism is made of metal, is easy to rust after long-time use, is complex in structure, has more parts and is very troublesome to maintain when damaged.

Disclosure of Invention

The utility model aims to provide a sliding locking type ship stern shaft sealing structure, which aims to solve the problems that the whole ship stern shaft sealing mechanism is made of metal, rust and the like are easy to occur after long-time use, the structure of the ship stern shaft sealing mechanism is complex, parts are more, and maintenance is very troublesome when damage occurs.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the sliding locking type ship stern shaft sealing structure comprises a first sealing element, wherein one side of the first sealing element is provided with a sealing piece; one side of the sealing piece, which is far away from the first sealing piece, is provided with a second sealing piece, and the first sealing piece, the sealing piece and the second sealing piece are fixedly connected through bolts;

the inner side of the first sealing element is clamped with a push-pull element, and the outer side of one end of the push-pull element, which is far away from the first sealing element, is sleeved with a fixing element; the fixing piece is positioned on the inner side of the second sealing piece and is clamped with the second sealing piece.

As a further technical scheme of the utility model, the push-pull piece penetrates through the fixing piece and extends to the outer side of the fixing piece; the part of the push-pull piece extending to the outer side of the fixing piece is in threaded connection with two nuts.

As a further technical scheme of the utility model, the diameter of the first sealing element is the same as that of the second sealing element.

As a further technical scheme of the utility model, the length of the push-pull piece is longer than that of the fixing piece.

As a further technical scheme of the utility model, a round hole is arranged on the inner side of one end of the push-pull piece far away from the fixing piece.

As a further technical scheme of the utility model, the first sealing element and the second sealing element are respectively provided with an annular bulge.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the sealing device is used, the first sealing element and the second sealing element are made of rubber materials, so that the sealing capability is high, the influence of water is small, and the damage can not happen easily; the sealing structure has fewer parts and simple structure, is convenient to maintain when damaged, and greatly reduces the working difficulty of maintenance personnel;

2. according to the utility model, the sealing structure can slide on the stern shaft through the fixing piece, and the position of the sealing structure is changed according to actual needs, so that the application range of the sealing structure is greatly increased.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a front view of fig. 1 in the present utility model.

Fig. 3 is a side view of fig. 1 in accordance with the present utility model.

Fig. 4 is a cross-sectional view A-A of fig. 3 in accordance with the present utility model.

In the figure: 1-sealing piece I, 2-sealing piece II, 3-bolt, 4-push-pull piece, 5-fixing piece, 6-nut and 7-sealing piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in an embodiment of the present utility model, a sliding locking type ship stern shaft sealing structure includes a first sealing member 1, wherein a sealing plate 7 is disposed at one side of the first sealing member 1; one side of the sealing piece 7, which is far away from the sealing piece I1, is provided with a sealing piece II 2, and the sealing piece I1, the sealing piece 7 and the sealing piece II 2 are fixedly connected through a bolt 3;

the inner side of the first sealing element 1 is clamped with a push-pull element 4, and the outer side of one end of the push-pull element 4, which is far away from the first sealing element 1, is sleeved with a fixing element 5; the fixing piece 5 is positioned on the inner side of the second sealing piece 2, and the fixing piece 5 is clamped with the second sealing piece 2;

the push-pull piece 4 penetrates through the fixing piece 5 and extends to the outer side of the fixing piece 5; the part of the push-pull piece 4 extending to the outer side of the fixing piece 5 is in threaded connection with two nuts 6; the diameter of the first sealing element 1 is the same as that of the second sealing element 2.

By adopting the technical scheme, when the sealing device is used, the sealing device I and the sealing device II are made of rubber materials, so that the sealing capability is high, the influence of water is small, and the damage can not happen easily; the sealing structure has fewer parts, simple structure and convenient maintenance when damaged, and greatly reduces the working difficulty of maintenance personnel.

In this embodiment, the length of the push-pull member 4 is greater than the length of the fixing member 5; the inner side of one end of the push-pull piece 4 far away from the fixed piece 5 is provided with a circular hole; and annular protrusions are arranged on the first sealing element 1 and the second sealing element 2.

Through adopting above-mentioned technical scheme, can let this seal structure slide on the stern axle through mounting 5, change this seal structure's position according to actual need, greatly increased this seal structure's application scope.

The working principle of the utility model is as follows: when the sealing device is used, the sealing piece I and the sealing piece II are made of rubber materials, so that the sealing capability is high, the influence of water is small, and the damage can not happen easily; the sealing structure has fewer parts and simple structure, is convenient to maintain when damaged, and greatly reduces the working difficulty of maintenance personnel;

as further optimization, the sealing structure can slide on the stern shaft through the fixing piece 5, and the position of the sealing structure is changed according to actual needs, so that the application range of the sealing structure is greatly increased.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a slip locking formula boats and ships stern axle seal structure which characterized in that: the sealing device comprises a first sealing element (1), wherein one side of the first sealing element (1) is provided with a sealing sheet (7); one side of the sealing piece (7) far away from the sealing piece I (1) is provided with a sealing piece II (2), and the sealing piece I (1), the sealing piece (7) and the sealing piece II (2) are fixedly connected through bolts (3);

the inner side of the first sealing element (1) is clamped with a push-pull element (4), and the outer side of one end, far away from the first sealing element (1), of the push-pull element (4) is sleeved with a fixing element (5); the fixing piece (5) is positioned on the inner side of the second sealing piece (2), and the fixing piece (5) is clamped with the second sealing piece (2).

2. The sliding-locking type ship stern shaft sealing structure according to claim 1, wherein: the push-pull piece (4) penetrates through the fixing piece (5) and extends to the outer side of the fixing piece (5); the part of the push-pull piece (4) extending to the outer side of the fixing piece (5) is connected with two nuts (6) in a threaded manner.

3. The sliding-locking type ship stern shaft sealing structure according to claim 2, wherein: the diameter of the first sealing piece (1) is the same as that of the second sealing piece (2).

4. A sliding lock type ship stern shaft seal structure according to claim 3, wherein: the length of the push-pull piece (4) is longer than that of the fixing piece (5).

5. The sliding locked marine stern shaft seal structure of claim 4 wherein: the inner side of one end of the push-pull piece (4) far away from the fixing piece (5) is provided with a circular hole.

6. The sliding locked marine stern shaft seal structure of claim 4 wherein: and annular protrusions are arranged on the first sealing element (1) and the second sealing element (2).